【判断题】Because of higher quality images they can produce, letter-quality printers will replace dot-matrix printers in the near future.
【判断题】Ink-jet printers work as dot-matrix printers, so they can print on multiple-part carbon forms.
【简答题】High-quality dot-matrix printers have print heads with as many as 24 ______.
【判断题】Dot-matrix printers use little print hammers like the heads of pins rather than hammer like mechanism.
【判断题】Dot-matrix printers can’t generate color pages.
【简答题】We bought these laser jet printers to replace our old dot matrix ones. (as)We bought these laser jet printers _______________________________our old ones.
【简答题】1 %葡萄糖溶液(凝固点为Td)与0.1 %白酒溶液(凝固点为Tf)的凝固点的关系是( )。 ATd>Tf BTd=Tf CTd0 D反应过程中,随产物的生成,系统的熵值增大